Patents by Inventor Yasuo Mukunoki

Yasuo Mukunoki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11186733
    Abstract: Provided is a conductor film obtainable using a carbon nanotube dispersion liquid. The carbon nanotube dispersion liquid contains carbon nanotubes (A), a polymeric dispersant (B) including a sulfonic acid group-containing monomeric unit and an ethylenically unsaturated aliphatic carboxylic acid monomeric unit, and a solvent (C). Percentage content of the ethylenically unsaturated aliphatic carboxylic acid monomeric unit in the polymeric dispersant (B) is greater than 20 mol % and no greater than 90 mol %.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: November 30, 2021
    Assignee: ZEON CORPORATION
    Inventors: Akihiko Yoshiwara, Kiyoshige Kojima, Yasuo Mukunoki, Akihiro Kojima, Masashi Ikegami
  • Publication number: 20210062014
    Abstract: Provided is a conductor film obtainable using a carbon nanotube dispersion liquid. The carbon nanotube dispersion liquid contains carbon nanotubes (A), a polymeric dispersant (B) including a sulfonic acid group-containing monomeric unit and an ethylenically unsaturated aliphatic carboxylic acid monomeric unit, and a solvent (C). Percentage content of the ethylenically unsaturated aliphatic carboxylic acid monomeric unit in the polymeric dispersant (B) is greater than 20 mol % and no greater than 90 mol %.
    Type: Application
    Filed: November 12, 2020
    Publication date: March 4, 2021
    Applicant: ZEON CORPORATION
    Inventors: Akihiko YOSHIWARA, Kiyoshige KOJIMA, Yasuo MUKUNOKI, Akihiro KOJIMA, Masashi IKEGAMI
  • Patent number: 10870766
    Abstract: Provided is a carbon nanotube dispersion liquid that has excellent stability and that can be used to form a conductor film that exhibits excellent adhesiveness to a substrate. The carbon nanotube dispersion liquid contains carbon nanotubes (A), a polymeric dispersant (B) including a sulfonic acid group-containing monomeric unit and an ethylenically unsaturated aliphatic carboxylic acid monomeric unit, and a solvent (C). Percentage content of the ethylenically unsaturated aliphatic carboxylic acid monomeric unit in the polymeric dispersant (B) is greater than 20 mol % and no greater than 90 mol %.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: December 22, 2020
    Assignee: ZEON CORPORATION
    Inventors: Akihiko Yoshiwara, Kiyoshige Kojima, Yasuo Mukunoki, Akihiro Kojima, Masashi Ikegami
  • Patent number: 9512295
    Abstract: There is provided a polymer film including a polymer; and a high molecular weight plasticizer that has a number average molecular weight of 700 to 10,000 and has a repeating unit derived from a dicarboxylic acid and a diol, wherein the dicarboxylic acid for forming the high molecular weight plasticizer includes at least one aliphatic dicarboxylic acid having 2 to 20 carbon atoms and at least one aromatic dicarboxylic acid having 8 to 20 carbon atoms, and the diol includes at least one diol selected from the group consisting of an aliphatic diol having 2 to 12 carbon atoms, an alkyl ether diol having 4 to 20 carbon atoms and an aromatic ring-containing diol having 6 to 20 carbon atoms.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: December 6, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Yasuo Mukunoki, Mamoru Sakurazawa
  • Publication number: 20160340521
    Abstract: Provided is a carbon nanotube dispersion liquid that has excellent stability and that can be used to form a conductor film that exhibits excellent adhesiveness to a substrate. The carbon nanotube dispersion liquid contains carbon nanotubes (A), a polymeric dispersant (B) including a sulfonic acid group-containing monomeric unit and an ethylenically unsaturated aliphatic carboxylic acid monomeric unit, and a solvent (C). Percentage content of the ethylenically unsaturated aliphatic carboxylic acid monomeric unit in the polymeric dispersant (B) is greater than 20 mol % and no greater than 90 mol %.
    Type: Application
    Filed: January 29, 2015
    Publication date: November 24, 2016
    Applicant: ZEON CORPORATION
    Inventors: Akihiko YOSHIWARA, Kiyoshige KOJIMA, Yasuo MUKUNOKI, Akihiro KOJIMA, Masashi IKEGAMI
  • Patent number: 8741983
    Abstract: Antifouling coating compositions that do not substantially contain cuprous oxide and organotins, and that comprise: A) a metal-containing copolymer obtained by copolymerization of a polymerizable unsaturated monomer (a1) containing a metal and an unsaturated monomer (a2) capable of radical polymerization containing no metals; (B) 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one; and (C) a metal pyrithione compound.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: June 3, 2014
    Assignee: Chugoku Marine Paints, Ltd.
    Inventors: Hiroyuki Okimoto, Yasuo Mukunoki, Toshihiko Ashida, Masashi Ono
  • Patent number: 8414803
    Abstract: A method for producing a transparent polymer film, comprising heat-treating a polymer film containing a polymer and a plasticizer having a number-average molecular weight of from 500 to 10000 and having a repetitive unit, at a temperature T (unit, ° C.) satisfying the following formula (1): Tc?T<Tm0??(1) wherein Tc means the crystallization temperature of the polymer film and Tm0 means the melting point of the polymer film.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: April 9, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Yasuo Mukunoki, Yasuyuki Sasada
  • Patent number: 8313574
    Abstract: A cellulose acylate film includes a cellulose acylate; and a polyester diol having a hydroxyl group at each of the both terminals in an amount of 5 mass % or more based on the amount of the cellulose acylate.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: November 20, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Akihiro Matsufuji, Takeichi Tatsuta, Hiroaki Sata, Mamoru Sakurazawa, Yasuo Mukunoki, Tatsuya Shimoyama
  • Patent number: 8293341
    Abstract: Provided is a cellulose ester film including a polycondensed ester which is obtained from a mixture containing an aromatic dicarboxylic acid, an aliphatic dicarboxylic acid, an aliphatic diol having an average carbon atom number of from 2.0 to 3.0 and a monocarboxylic acid, and both terminals of which are a monocarboxylic acid ester derivative.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: October 23, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Mamoru Sakurazawa, Yasuo Mukunoki, Akihiro Matsufuji, Hiroaki Sata
  • Patent number: 8057869
    Abstract: A plastic film comprising a multi-layer structure obtained by co-casting film formation or sequential-casting film formation of two or more layers of polyarylate having a glass transition temperature of 250° C. or higher and having a chemical structure represented by the following formula: wherein X represents a linking group having a naphthalene or biphenyl structure and A is represented by the following formula: wherein R1 and R2 represent an alkyl group or aryl group, j and k are an integer of from 0 to 4.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: November 15, 2011
    Assignee: Fujifilm Corporation
    Inventors: Hirohisa Hokazono, Yasuo Mukunoki
  • Publication number: 20110001907
    Abstract: Thanks to a cellulose ester film comprising at least one kind of a polycondensed ester obtained from at least one kind of an aliphatic diol having an average carbon number of 2.0 to 2.5 and a dicarboxylic acid mixture containing at least one kind of an aromatic ring-containing dicarboxylic acid and at least one kind of an aliphatic dicarboxylic acid and having an average carbon number of 6.0 to 10.0, an excellent cellulose ester film yielding little process contamination at the production and ensuring high production efficiency, a retardation film with excellent characteristics, and a polarizing plate and a liquid crystal display device each using the film, are provided.
    Type: Application
    Filed: December 22, 2008
    Publication date: January 6, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Mamoru Sakurazawa, Yasuo Mukunoki, Hiroaki Sata
  • Publication number: 20100192803
    Abstract: A cellulose acylate film includes a cellulose acylate; and a polyester diol having a hydroxyl group at each of the both terminals in an amount of 5 mass % or more based on the amount of the cellulose acylate.
    Type: Application
    Filed: September 26, 2008
    Publication date: August 5, 2010
    Applicant: FUJIFLIM Corporation
    Inventors: Akihiro Matsufiji, Takeichi Tatsuta, Hiroaki Sata, Mamoru Sakurazawa, Yasuo Mukunoki, Tatsuya Shimoyama
  • Patent number: 7671947
    Abstract: An optical film which has Re(?) and Rth(?) fulfilling the following two formulae: 0?Re(590)?10 |Rth(590)|?25 wherein Re(?) is a retardation value in plane (nm) at a wavelength of ? nm; and Rth(?) is a retardation value in film thickness direction (nm) at a wavelength of ? nm.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: March 2, 2010
    Assignee: Fujifilm Corporation
    Inventors: Shigeaki Nimura, Hajime Nakayama, Yosuke Nishiura, Takako Nishiura, legal representative, Tadashi Ito, Yasuo Mukunoki
  • Publication number: 20090286016
    Abstract: Provided is a cellulose ester film including a polycondensed ester which is obtained from a mixture containing an aromatic dicarboxylic acid, an aliphatic dicarboxylic acid, an aliphatic diol having an average carbon atom number of from 2.0 to 3.0 and a monocarboxylic acid, and both terminals of which are a monocarboxylic acid ester derivative.
    Type: Application
    Filed: May 15, 2009
    Publication date: November 19, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Mamoru SAKURAZAWA, Yasuo MUKUNOKI, Akihiro MATSUFUJI, Hiroaki SATA
  • Publication number: 20090169775
    Abstract: There is provided a polymer film including a polymer; and a high molecular weight plasticizer that has a number average molecular weight of 700 to 10,000 and has a repeating unit derived from a dicarboxylic acid and a diol, wherein the dicarboxylic acid for forming the high molecular weight plasticizer includes at least one aliphatic dicarboxylic acid having 2 to 20 carbon atoms and at least one aromatic dicarboxylic acid having 8 to 20 carbon atoms, and the diol includes at least one diol selected from the group consisting of an aliphatic diol having 2 to 12 carbon atoms, an alkyl ether diol having 4 to 20 carbon atoms and an aromatic ring-containing diol having 6 to 20 carbon atoms.
    Type: Application
    Filed: December 23, 2008
    Publication date: July 2, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Yasuo Mukunoki, Mamoru Sakurazawa
  • Publication number: 20090075048
    Abstract: A cellulose mixed ester film is produced by melting a mixture of a cellulose mixed ester having a substitution degree of a certain range, fine particles having a mean primary particle size of from 0.005 ?m to 2 ?m and a UV absorbent in a certain ratio, extruding the mixture and forming the film through melt casting film formation. When the produced cellulose mixed ester film is built in a liquid crystal display device, display fluctuation and moisture-dependent visibility change are suppressed.
    Type: Application
    Filed: May 17, 2006
    Publication date: March 19, 2009
    Inventor: Yasuo Mukunoki
  • Publication number: 20090032995
    Abstract: A method for producing a transparent polymer film, comprising heat-treating a polymer film containing a polymer and a plasticizer having a number-average molecular weight of from 500 to 10000 and having a repetitive unit, at a temperature T (unit, ° C.) satisfying the following formula (1): Tc?T<Tm0??(1) wherein Tc means the crystallization temperature of the polymer film and Tm0 means the melting point of the polymer film.
    Type: Application
    Filed: July 29, 2008
    Publication date: February 5, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Yasuo Mukunoki, Yasuyuki Sasada
  • Publication number: 20080309860
    Abstract: An optical film which has Re(?) and Rth(?) fulfilling the following two formulae: 0?Re(590)?10 |Rth(590)|?25 wherein Re(?) is a retardation value in plane (nm) at a wavelength of ?nm; and Rth(?) is a retardation value in film thickness direction (nm) at a wavelength of ?mm.
    Type: Application
    Filed: May 18, 2005
    Publication date: December 18, 2008
    Applicant: FUJIFILM CORPORATION
    Inventors: Shigeaki Nimura, Hajime Nakayama, Yosuke Nishiura, Takako Nishiura, Tadashi Ito, Yasuo Mukunoki
  • Publication number: 20080032067
    Abstract: A cellulose acylate film includes a cellulose acylate, a polymer obtained by polymerizing an ethylenically unsaturated monomer and an unreacted ethylenically unsaturated monomer in an amount of 1 mass % or less based on the cellulose acylate film.
    Type: Application
    Filed: July 23, 2007
    Publication date: February 7, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Mamoru Sakurazawa, Akihiro Matsufuji, Yasuo Mukunoki
  • Patent number: 7285314
    Abstract: A steam barrier film comprising at least one inorganic gas barrier layer on a polyalkylene naphthalate resin substrate film in which the glass transition temperature (Tg) of the polyalkylene naphthalate resin is from 70 to 150° C. and the steam barrier film comprises at least one conductive layer with a resistance of 1012 ? or less at 25° C. and 60% relative humidity.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: October 23, 2007
    Assignee: Fujifilm Corporation
    Inventors: Yasuo Mukunoki, Hiroshi Iwanaga